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31 lines
681 B
31 lines
681 B
; RUN: opt < %s -scalar-evolution -licm -loop-unroll -disable-output
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; Test triggered an assertion in doFinalization() because loop unroll was deleting
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; the inner loop which caused the loop to not get removed from the
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; LoopToAliasSetMap.
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; Test case taken from test/Transforms/LoopUnroll/unloop.ll.
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declare i1 @check() nounwind
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define void @skiplevelexit() nounwind {
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entry:
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br label %outer
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outer:
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br label %inner
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inner:
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%iv = phi i32 [ 0, %outer ], [ %inc, %tail ]
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%inc = add i32 %iv, 1
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call zeroext i1 @check()
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br i1 true, label %outer.backedge, label %tail
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tail:
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br i1 false, label %inner, label %exit
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outer.backedge:
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br label %outer
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exit:
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ret void
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}
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